CN2689505Y

CN2689505Y - Electronic card connector

Info

Publication number: CN2689505Y
Application number: CN 03259778
Authority: CN
Inventors: 李昭漳
Original assignee: Foxconn Kunshan Computer Connector Co Ltd; Hon Hai Precision Industry Co Ltd
Current assignee: Foxconn Kunshan Computer Connector Co Ltd; Hon Hai Precision Industry Co Ltd
Priority date: 2003-07-22
Filing date: 2003-07-22
Publication date: 2005-03-30
Anticipated expiration: 2013-07-22

Abstract

The utility model discloses an electronic card connector, comprising an insulating body on which a plurality of contact terminals, springs, fixing and supporting terminals are provided. Wherein, the insulating body is provided with a through hole which passes through the upper surface and the lower surface of the insulating body; the through hole comprises a ring sleeve which is adjacent to the upper surface of the insulating body, a holding cavity which is positioned below the ring sleeve, and a clamping hole which is adjacent to the lower surface of the insulating body. The contact terminals are held in the through hole, and the lower part of the contact terminals is fixed and supported in the holding cavity through the ring sleeve; the springs which are held in the through hole are bunted at the lower part of the contact terminals; the fixing and supporting terminals are fixed and supported in the clamping hole. In this way, the length of the springs can be prolonged, so that the springs can be provided with sufficient elasticity, and consequently, the requirements for the elastic force of the contact terminals can be satisfied. The electronic card connector has the advantages of simple structure, convenient manufacture and assembly.

Description

Electronic card coupler

[technical field]

The utility model relates to a kind of connector, refers to a kind of card class connector that is applied on the mancarried device especially.

[background technology]

Existing card class connector, the Subscriber Identity Module electronic card couplers of using as mobile phone such as (SIM) generally includes insulating body and conducting terminal, one end of conducting terminal is welded on the circuit board of mobile phone, the other end extends the insulating body upper surface and contacts with electronic cards in the mode of crimping, thereby electronic cards is electrically connected on the circuit board, as United States Patent (USP) the 5th, 527, No. 192 and 6,068, shown in No. 514.But this electric connection mode, the deflection of terminal only are equivalent to the height part that terminal extends insulating body, and pass through the strain of metal terminal itself, can't recover through easily producing permanent deformation after the use of long period.

The United States Patent (USP) the 6th that on January 22nd, 2002 was announced, 340, disclosed a kind of connector that uses spring terminal for No. 320, this connector comprises insulating body, metal sleeve, the probe terminal, spring and lid, insulating body is provided with the shape accepting hole suitable mutually with metal sleeve, metal sleeve is contained in the insulating body accepting hole, its internal diameter is suitable mutually with spring, the upper end is provided with through hole, the one-body molded flange in bottom, probe terminal one end is contained in metal sleeve and is provided with baffle ring, to match with through hole edge, sleeve upper end, the other end is thin and be provided with contact site, and its size is suitable mutually with the through hole of metal sleeve upper end.During assembling, earlier the probe terminal is packed into from the metal sleeve bottom, then spring is installed in the metal sleeve, and fasten upper cover body in the metal sleeve bottom, spring one end withstands the probe terminal, the other end and lid support, and at last the metal sleeve that is assembled with probe terminal, spring and lid are installed on the insulating body accepting hole.Because of spring can provide enough elastic deformation amounts to the probe terminal, and easily reinstatement and be difficult for taking place permanent deformation.But limited for the height that satisfies electronic equipment such as mobile phone, the metal sleeve attach structure need reduce, and then its inner corresponding being restricted of spring length therefore can not provide enough elastic force, and this connector assembly is more, complex structure, and manufacturing cost is higher.

[utility model content]

The purpose of this utility model is to provide a kind of above-mentioned shortcoming that overcomes, and enough deflections can be provided, and electronic card coupler simple in structure.

For achieving the above object, the utility model electronic card coupler comprises insulating body, be installed in the some contact terminals on the insulating body, spring and fixing terminal, wherein the insulating body setting runs through on it, the through hole of lower surface, through hole comprises the ring set of contiguous insulating body upper surface, be positioned at the host cavity below the ring set and the holding hole of contiguous insulating body lower surface, contact terminal is contained in the corresponding through hole, and its underpart is immobilizated in the host cavity by ring set, spring is contained in the host cavity of through hole and is held in the bottom of contact terminal, and the fixing terminal is immobilizated in the holding hole.

Compared to prior art, the utility model is by directly being provided with the through hole that contact terminal and spring are installed on insulating body, be provided with the spring eye that the ammunition feed spring inserts in the contact terminal, the fixing terminal is provided with the base portion of depression, therefore, can prolong spring length under the situation that does not increase the connector height, make spring have enough elastic force, thereby satisfy the elastic demand of contact terminal, and simple in structure, the convenient manufacturing and assembling.

[description of drawings]

Fig. 1 is the three-dimensional combination figure of the utility model electronic card coupler.

Fig. 2 is the upward view of Fig. 1.

Fig. 3 is the three-dimensional exploded view of Fig. 1.

Fig. 4 is the three-dimensional exploded view of Fig. 2.

Fig. 5 is the cutaway view of Fig. 1 along the A-A line.

[embodiment]

Please refer to Fig. 1 to shown in Figure 5, the utility model electronic card coupler 100 comprises insulating body 1, be contained in the spring 2 of insulating body 1, be installed on the contact terminal 3 on insulating body 1 top and be installed on the fixing terminal 4 of insulating body 1 bottom.

Insulating body 1 body that roughly is square, comprise upper surface 10 and lower surface 11, its both sides are provided with two rows and run through,

lower surface

10,11 through hole 13, the cross section of this through hole 13 is rounded, comprise near the less ring set 131 of insulating body 1 upper surface, 10 1 end internal diameters, the stepped holding hole 133 of the internal diameter maximum that host cavity 132 that ring set 131 bottom internal diameters are bigger and close insulating body 1 lower surface 11 places are provided with, holding hole 133 inwalls are symmetrically arranged with two guide channels 130, this guide channel 130 and the angled setting of through hole 13 place horizontal linears, 130 liang of edge through hole 13 inwalls of guide channel are and extend in parallel.The guide channel 130 of insulating body 1 corresponding each through hole 13 both sides is provided with and its holding slot 14 on same vertical direction, holding slot 14 is communicated with guide channel 130 by breach 134, corresponding guide channel 130 its two sides are parallel to insulating body 1 inner the extension, and the one sidewall also is provided with a projection 141, and this projection 141 forms a draw-in groove 140 with holding slot 14 inner surfaces.

Contact terminal 3 directly is installed in the through hole 13 of insulating body 1, comprises main part 30 and is located at the annular flange flange 301 of main part 30 1 ends to match with the ring set 131 of through hole 13, and the size of main part 30 is suitable mutually with ring set 131.Contact terminal 3 inside are provided with the spring eye 303 that is opened on annular flange flange 301 1 ends, and spring eye 303 internal diameters size matches with spring 2, and its top is provided with the contact site 302 of smooth bumps, to contact with butt connector (not shown).

Fixing terminal 4 is installed on the holding hole 133 of the lower surface 11 of insulating body 1, comprise hemispheric base portion 40 and be symmetricly set in the fixing arm 41 of base portion both sides, wherein, base portion 40 inner surfaces 401 are provided with spirality depressed part 402, to match with an end of spring 2, base portion 40 outer surfaces 403 corresponding depressed part 402 spirality projectioies, its top is provided with circular weld point 404, to be welded on the printed circuit board (PCB) (not shown).Two fixing arms 41 bend inwards respectively from the both sides of base portion 40 and extend in parallel, and its middle part is provided with the projection 410 that holds with insulating body 1 draw-in groove 140, and end is provided with protruding thorn 411, to be immobilizated in insulating body 1 holding slot 14.

Spring 2 is contained in the host cavity 132 of through hole 13, the one end is installed on the depressed part 402 of fixing terminal 4, to offset with fixing terminal 4, the other end extends in the spring eye 303 of contact terminal 3, therefore, in the limited height of connector 100 through holes 13, increase the length of spring 2, and then enlarged the deformation range of spring 2, strengthen elastic force, can satisfy the elastic demand of contact terminal 3.

Please refer to Fig. 1 to shown in Figure 5, during assembling, earlier with contact terminal 3 from body 1 lower surface 11 that the insulate through hole 13 of packing into, its annular flange flange 301 matches with the ring set 131 of through hole 13 upper ends, its main part 30 tops protrude out the upper surface 10 of insulating body 1, again spring 2 is installed on the host cavity 132 of insulating body 1 through hole 13, the one end inserts the spring eye 303 of contact terminal 3, supporting contact terminal 3 makes the flange 301 of contact terminal 3 and the ring set 131 of through hole 13 closely cooperate, fasten in insulating body 1 lower surface 11 at last and go up fixing terminal 4, the fixing arm 41 of fixing terminal 4 both sides inserts holding slot 14 along the guide channel 130 of insulating body 1 through hole 13 sidewalls by breach 134 respectively, the projection 410 that is arranged at fixing arm 41 middle parts is held in the draw-in groove 140, the protruding thorn 411 of fixing arm 41 ends is immobilizated in holding slot 14, make fixing terminal 4 and insulating body 1 angled arrangement, guarantee fixing terminal 4 fixing securely in the limited magnitude range of insulating body 1, simultaneously, the depressed part 402 and spring 2 one ends of its inner surface 401 offset, thereby make spring 2, contact terminal 3 is installed on the insulating body 1 reliably, simple in structure, and convenient the installation.

Certainly, the utility model can also have a lot of other execution modes, and for example, the effect that holds of 131 pairs of contact terminals 3 of described ring set also can be by reaching at the independent part of through hole 13 contiguous insulating body 1 upper surfaces.

Claims

1. electronic card coupler, comprise insulating body, be installed in the some contact terminals on the insulating body, spring and fixing terminal, it is characterized in that: the insulating body setting runs through on it, the through hole of lower surface, described through hole comprises the ring set of contiguous insulating body upper surface, be positioned at the host cavity below the ring set and the holding hole of contiguous insulating body lower surface, described contact terminal is contained in the corresponding through hole, and its underpart is immobilizated in the host cavity by ring set, described spring is contained in the host cavity of through hole and is held in the bottom of contact terminal, and described fixing terminal is immobilizated in the holding hole.

2. electronic card coupler as claimed in claim 1 is characterized in that: described contact terminal bottom is provided with spring eye, in order to accommodate the front end of spring.

3. electronic card coupler as claimed in claim 1 or 2 is characterized in that: described fixing terminal comprises main part, and upper surface is provided with the spirality depressed part, to offset with the spring lower end.

4. electronic card coupler as claimed in claim 1 is characterized in that: the inwall both sides of described holding hole are respectively equipped with guide channel, to match with the fixing arm of fixing terminal.

5. electronic card coupler as claimed in claim 4, it is characterized in that: described guide channel and through hole place straight line are provided with at an angle, corresponding each guide channel of insulating body be provided with and its holding slot at same vertical direction, and this holding slot is connected by a breach with described guide channel.

6. electronic card coupler as claimed in claim 5 is characterized in that: be provided with projection in the holding slot, projection and holding slot inner surface form a draw-in groove.

7. electronic card coupler as claimed in claim 6 is characterized in that: the corresponding insulating body holding slot of fixing terminal is provided with the fixing arm, the fixing arm be provided with the protruding thorn of holding slot fixing and with the projection of draw-in groove buckle.

8. as any one described electronic card coupler in the claim 5 to 7, it is characterized in that: the spirality depressed part of the corresponding inner surface of described main part outer surface is provided with the pad of circular protrusions, to be welded on the printed circuit board (PCB).